update dependency and add demo for consul2istio

Signed-off-by: chentanjun <tanjunchen20@gmail.com>

.github/workflows/ci.yaml

@@ -37,7 +37,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.14.4
+          go-version: 1.19
       - name: Install dependencies
         run: |
           go version
@@ -53,7 +53,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v1
         with:
-          go-version: 1.14.4
+          go-version: 1.19
       - run: go mod tidy
       - name: Check for changes in go.mod or go.sum
         run: |